EP4397518A4 - WHEEL MOTOR - Google Patents

WHEEL MOTOR

Info

Publication number
EP4397518A4
EP4397518A4 EP22864035.5A EP22864035A EP4397518A4 EP 4397518 A4 EP4397518 A4 EP 4397518A4 EP 22864035 A EP22864035 A EP 22864035A EP 4397518 A4 EP4397518 A4 EP 4397518A4
Authority
EP
European Patent Office
Prior art keywords
wheel motor
wheel
motor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP22864035.5A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP4397518A1 (en
Inventor
Tetsuya Suto
Akeshi Takahashi
Makoto Ito
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Publication of EP4397518A1 publication Critical patent/EP4397518A1/en
Publication of EP4397518A4 publication Critical patent/EP4397518A4/en
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K7/00—Disposition of motor in, or adjacent to, traction wheel
    • B60K7/0007—Disposition of motor in, or adjacent to, traction wheel the motor being electric
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
    • H02K11/30—Structural association with control circuits or drive circuits
    • H02K11/33—Drive circuits, e.g. power electronics
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
    • H02K21/12—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
    • H02K21/14—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
    • H02K5/173—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using bearings with rolling contact, e.g. ball bearings
    • H02K5/1737—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using bearings with rolling contact, e.g. ball bearings radially supporting the rotor around a fixed spindle; radially supporting the rotor directly
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/08—Structural association with bearings
    • H02K7/086—Structural association with bearings radially supporting the rotor around a fixed spindle; radially supporting the rotor directly
    • H02K7/088—Structural association with bearings radially supporting the rotor around a fixed spindle; radially supporting the rotor directly radially supporting the rotor directly
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
    • H02K7/102—Structural association with clutches, brakes, gears, pulleys or mechanical starters with friction brakes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
    • B60G2204/10—Mounting of suspension elements
    • B60G2204/14—Mounting of suspension arms
    • B60G2204/148—Mounting of suspension arms on the unsprung part of the vehicle, e.g. wheel knuckle or rigid axle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G7/00—Pivoted suspension arms; Accessories thereof
    • B60G7/008—Attaching arms to unsprung part of vehicle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K7/00—Disposition of motor in, or adjacent to, traction wheel
    • B60K2007/0038—Disposition of motor in, or adjacent to, traction wheel the motor moving together with the wheel axle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K7/00—Disposition of motor in, or adjacent to, traction wheel
    • B60K2007/0092—Disposition of motor in, or adjacent to, traction wheel the motor axle being coaxial to the wheel axle
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/64—Electric machine technologies in electromobility

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
EP22864035.5A 2021-08-31 2022-06-29 WHEEL MOTOR Pending EP4397518A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2021140876A JP7557443B2 (ja) 2021-08-31 2021-08-31 インホイールモータ
PCT/JP2022/026017 WO2023032447A1 (ja) 2021-08-31 2022-06-29 インホイールモータ

Publications (2)

Publication Number Publication Date
EP4397518A1 EP4397518A1 (en) 2024-07-10
EP4397518A4 true EP4397518A4 (en) 2025-07-16

Family

ID=85412073

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22864035.5A Pending EP4397518A4 (en) 2021-08-31 2022-06-29 WHEEL MOTOR

Country Status (5)

Country Link
US (1) US20250033459A1 (enExample)
EP (1) EP4397518A4 (enExample)
JP (1) JP7557443B2 (enExample)
CN (1) CN117769499A (enExample)
WO (1) WO2023032447A1 (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT202200008270A1 (it) * 2022-04-27 2023-10-27 Ferrari Spa Dispositivo ruota con motore elettrico integrato per un autoveicolo
JP2025054155A (ja) 2023-09-25 2025-04-07 ジーケーエヌ オートモーティブ リミテッド インホイールモータ

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102673380A (zh) * 2012-01-18 2012-09-19 华南理工大学 一种内置悬置集成式轮毂电机驱动电动轮
CN105270161B (zh) * 2015-10-28 2018-10-02 湖北航天技术研究院特种车辆技术中心 一种轮边电机驱动装置
CN107599824B (zh) * 2017-08-15 2019-07-26 湖北航天技术研究院特种车辆技术中心 一种低速大扭矩单级减速器电动轮

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1380459B1 (en) * 2001-04-16 2007-01-17 Kabushiki Kaisha Bridgestone Fixing method of in-wheel motor and in-wheel motor system
DE102011081119B4 (de) 2011-07-07 2013-09-05 Schaeffler Technologies AG & Co. KG Dichtungshalteelement für eine Dichtung eines Antriebssystems
JP6136903B2 (ja) 2013-12-06 2017-05-31 トヨタ自動車株式会社 車輪駆動装置
WO2016170807A1 (ja) 2015-04-20 2016-10-27 株式会社Ｆｏｍｍ 自動車用サスペンション構造
CN107487175B (zh) 2017-07-25 2019-12-31 东风汽车公司 一种一体化集成式轮毂电机驱动单元
CN209505431U (zh) 2018-12-18 2019-10-18 深圳市大富科技股份有限公司 一种轮毂电机、车轮及车辆
CN111030350B (zh) 2019-12-30 2020-12-25 东风汽车集团有限公司 一种集成中央充放气的电动轮毂

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102673380A (zh) * 2012-01-18 2012-09-19 华南理工大学 一种内置悬置集成式轮毂电机驱动电动轮
CN105270161B (zh) * 2015-10-28 2018-10-02 湖北航天技术研究院特种车辆技术中心 一种轮边电机驱动装置
CN107599824B (zh) * 2017-08-15 2019-07-26 湖北航天技术研究院特种车辆技术中心 一种低速大扭矩单级减速器电动轮

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2023032447A1 *

Also Published As

Publication number Publication date
CN117769499A (zh) 2024-03-26
EP4397518A1 (en) 2024-07-10
WO2023032447A1 (ja) 2023-03-09
JP2023034574A (ja) 2023-03-13
US20250033459A1 (en) 2025-01-30
JP7557443B2 (ja) 2024-09-27

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Ipc: B60K 7/00 20060101AFI20250610BHEP